皮皮学，免费搜题
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搜题
【单选题】
能够用来判断金属电化学腐蚀速度大小的是（）A.
电位－pH图
B.
电偶序
C.
电动序
D.
腐蚀极化图
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What is NOT indicated about the announcements?
A.
They are new addition to the newsletter.
B.
They must be submitted by department managers.
C.
They honor award winners.
D.
They can contain as many as 50 words.
【简答题】This is Lucy and that is Lily. They are twins. They look 1 . They are new students in 2 class. They are 3 Grade One.
【单选题】They are new students. Please______ them. [ ]
A.
look
B.
look like
C.
look after
D.
look out
【单选题】Though they are new in the film, _____ they do very well. [ ]
A.
but
B.
however
C.
yet
D.
so
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